Mattress accessory



FIG. 1 is a perspective view of a mattress accessory in accordance witha first embodiment;

FIG. 2 is a first end view of the mattress accessory of FIG. 1;

FIG. 3 is a second end view of the mattress accessory of FIG. 1;

FIG. 4 is a first side view of the mattress accessory of FIG. 1;

FIG. 5 is a second side view of the mattress accessory of FIG. 1;

FIG. 6 is a top view of the mattress accessory of FIG. 1;

FIG. 7 is a bottom view of the mattress accessory of FIG. 1;

FIG. 8 is a perspective view of a mattress accessory of FIG. 1;

FIG. 9 is a perspective view of a mattress accessory in accordance witha second embodiment;

FIG. 10 is a first end view of the mattress accessory of FIG. 9;

FIG. 11 is a second end view of the mattress accessory of FIG. 9;

FIG. 12 is a first side view of the mattress accessory of FIG. 9;

FIG. 13 is a second side view of the mattress accessory of FIG. 9;

FIG. 14 is a top view of the mattress accessory of FIG. 9;

FIG. 15 is a bottom view of the mattress accessory of FIG. 9; and,

FIG. 16 is a perspective view of a mattress accessory of FIG. 9.

The broken lines shown in the figures are for illustrative purposes onlyand form no part of the claimed design. In addition, the surfaceshading, if any, illustrated in the drawings is provided merely tohighlight the contour of the design; it is not intended to beillustrative of texture or gloss.

CLAIM The ornamental design for a mattress accessory, as shown anddescribed.